But are all the newfangled bottom brackets really more reliable? I know Shimano’s Hollowtech BBs are lighter and therefore more attractive to certain consumers

But are all the newfangled bottom brackets really more reliable? I know Shimano’s Hollowtech BBs are lighter and therefore more attractive to certain consumers these days, but people seem to have to replace them more often than the old square-taper BBs that one installs and then forgets about for 20,000 km. > Disc brakes are still quite heavy and expensive and unsuitable in many cases. My Spyke disc brakes weigh little more than the Shimano XT V-brakes I replaced with them. While the cost of the disc brake was higher, they might actually prove cheaper in the long run due to less rim wear and therefore a need to have the wheel rebuilt and hand-trued once the rims go.